2018-03-05T21:05:04Z (GMT) by Christoph Braig Ivo Zizak
The video shows the simulated point spread function (PSF) of a stepped achromatic X-ray lens, as it varies with the photon energy within one period of the spectral comb structure. The effect of focusing and defocusing, depending on the energy, is demonstrated. The parameters are chosen according to a typical design of these lenses and documented in the video.